diff options
Diffstat (limited to 'modules/codec/c++/schema_hash.hpp')
| -rw-r--r-- | modules/codec/c++/schema_hash.hpp | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/modules/codec/c++/schema_hash.hpp b/modules/codec/c++/schema_hash.hpp index 4b537e1..d653bf4 100644 --- a/modules/codec/c++/schema_hash.hpp +++ b/modules/codec/c++/schema_hash.hpp @@ -15,7 +15,9 @@ struct hash_literal { template<typename Schema> struct schema_hash_seed { - static_assert(always_false<Schema>, "Not schema_hashable"); + static constexpr uint32_t apply(uint32_t seed){ + return hash_literal<Schema::name>::apply(seed); + } }; template<> @@ -125,6 +127,29 @@ struct schema_hash_seed<schema::Tuple<T...>> { } }; +template<typename... T> +struct schema_hash_seed<tmpl_group<T...>> { + template<uint64_t i> + static constexpr uint32_t apply_ele(uint32_t seed){ + using Type = typename parameter_pack_type<i,T...>::type; + + seed = schema_hash_seed<Type>::apply(seed); + if constexpr ( (i+1u) < sizeof...(T) ){ + return apply_ele<i+1u>(seed); + } + + return seed; + } + + static constexpr uint32_t apply(uint32_t seed){ + seed = hash_literal<tmpl_group<T...>::name>::apply(seed); + if constexpr (sizeof...(T)>0u){ + seed = apply_ele<0u>(seed); + } + return seed; + } +}; + template<typename V, string_literal K> struct schema_hash_seed<schema::Member<V,K>> { using Schema = schema::Member<V,K>; |